厂内通往各车间的主干道设计成环形道路，便于车辆运行，有利消防。

Within each workshop to the main ring road, designed for vehicle operation, good fire.

youdao

厂内通往各车间的主干道设计成环形道路，便于车辆运行，有利消防。

Within each workshop to the main ring road, designed for vehicle operation, good fire.

youdao